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  运行过程中蒸汽锅炉遇到的问题有哪些?  
 
Run what are the problems in the process of steam boiler?
运行过程中蒸汽锅炉遇到的问题有哪些?
In the steam boiler low temperature heating surface of low temperature corrosion mainly include such points: chemical corrosion (such as sulfuric acid ACTS on metal), also have electrochemical corrosion and metal) after (such as water vapor condensation. The two basic corrosion occurred at the temperature lower than that of acid dew point on the wall. Evaporation are deposited on the surface, and sometimes also can accelerate the corrosion.
发生在蒸汽锅炉低温受热面上的低温腐蚀主要有这么几点:有化学腐蚀(如硫酸作用于金属),也有电化学腐蚀(如水蒸气冷凝后与金属作用)。这两种腐蚀基本发生在温度低于酸露点的壁面上。蒸发受热面上的积灰,有时也能加速腐蚀。
Exhaust slow the reasons are the following: export filter blocking; Piping cross-sectional area is too small or line is too long; Entrance to the filter blocking; Non-return valve to open it. A solution to this problem: filter export replacement, replacement of cross-sectional area larger pipe, or shortening the distance between the pipe; Clean screen pack, install a air filter at the entrance to the end; Check the check valve spring.
排气速度慢的原因有以下几点:出口滤心阻塞;配管的截面积太小或管路太长;入口端的过滤网阻塞;逆止阀打不开。解决此类问题的办法:更换出口滤心,更换截面积较大的管路,或缩短管路距离;清理过滤网,在入口端装一个空气滤清器;检查逆止阀的弹簧。
Besides the steam boiler are prone to steam, water supply pipeline damage phenomenon: slight leakage, noise, thermal insulation layer damp or steam leakage and dripping water. Pipeline blasting, the thrum significantly, and steam and water. Abnormal steam or water flow rate and blast site in front of the flowmeter, reduced flow; After the flowmeter, the flow increases. The steam pressure or water pressure drop. For jelly tube blasting, running furnace water levels fall.
除此以外蒸汽锅炉还容易出现蒸汽、给水管道损坏现象:管道轻微泄漏时,发出响声,保温层潮湿或漏汽、滴水。管道爆破时,发出显著响声,并喷出汽、水。蒸汽或给水流量变化异常,爆破部位在流量表前,流量减少;在流量表之后,则流量增加。蒸汽压力或给水压力下降。给水母管爆破时,运行炉水位下降。
The causes of these phenomena are: operation, steam pipe overtemperature creep bulge over standard or run time is too long, the decrease of strength of metal. Steam pipe warm inadequate, serious water impact. Poor water quality, pipe wall corrosion. Local washed in water supply pipeline wall minus book. Water supply system is not normal, pressure fluctuation is too large, water shock or vibration. Installation, and poor manufacturing, material quality and welding, etc.
。解决办法是:如给水管道泄漏轻微,蒸汽锅炉能够保持锅炉给水,且不致很快扩大故障时,可维持短时间运行,尽快投入备用锅炉,2吨锅炉若故障加剧,直接威胁人身或设备安全时,则应停炉。如给水管道爆破,应设法尽快将故障管段与系统解列,若不能解列而又无法保持汽包水位时,亦应停炉。如蒸汽管道泄漏轻微,不致很快扩大故障时,可维持短时间运行,尽快投入备用锅炉;若故障加剧,直接威胁人身或设备安全时,则应停炉。(蒸汽锅炉运行过程中遇到的问题)

. Solution is: if the water supply pipeline leak slightly, can maintain the boiler feed water, and does not quickly expanding failure, can maintain a short running, put into standby boiler as soon as possible, if the fault is deepening, direct threat to the personal or safety equipment, should be stopped. Such as feed water pipe burst, should try to the fault section and system solutions for column as soon as possible, if not solution column and failing to keep the steam drum water level, should also be stopped. Such as steam pipeline leak mild, not soon expand failure, can maintain a short running, as soon as possible into standby boiler; If the fault is deepening, direct threat to the personal or safety equipment, should be stopped. 

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